Earth's System Test Study Guide Questions and Answers

Earth's System Test Study Guide
Questions and Answers
name the 4 spheres and use one or two words describing that sphere. - Answer-
geosphere :rocks mountains
biosphere: life, living things
hydrosphere: water
atmosphere: oxygen, air

Explain one example of how the biosphere and the atmosphere interact. - Answer-The
atmosphere give oxygen and energy to the biosphere so that the biosphere can survive.

Name the sphere associated with each of the following:
rocks
nitrogen
ocean
minerals
soil
bacteria - Answer-geosphere
atmosphere
hydrosphere
geosphere
geosphere
biosphere

Name the 4 main layers of Earth's interior. - Answer-mantle
crust
inner core
outer core

Which layer of Earth is liquid? - Answer-outer core

Which layer of Earth is the thickest? - Answer-mantle

Which layer of Earth is the thinnest? - Answer-crust

Which layer of Earth is metallic liquid, not rocky like the other layers? - Answer-outer
core

Why is the inner core solid despite the hot temperatures? - Answer-because of the
pressure from the core is higher.

Describe the continental drift theory. - Answer-That the continents were once all a
supercontinent connected and called Pangea.